20R 13(17)-DIACHOLESTENE

Base Information

• Chemical Name: 20R 13(17)-DIACHOLESTENE
• CAS No.: 82079-08-1
• Molecular Formula: C₂₇H₄₆
• Molecular Weight: 370.662
• Mol file: 82079-08-1.mol

Synonyms:20R 13(17)-DIACHOLESTENE

Chemical Property of 20R 13(17)-DIACHOLESTENE

Chemical Property:

• PSA: 0.00000
• LogP: 8.56200

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 20R 13(17)-DIACHOLESTENE

There total 10 articles about 20R 13(17)-DIACHOLESTENE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

dimethyl t-butyl silyloxy-3β cholestane (59487-26-2) → 5β-cholest-2-ene (13901-19-4) + 20(R)-diacholest-13(17)-ene (28398-70-1,28398-71-2,72778-32-6,82079-08-1,117019-69-9,117019-70-2) + 20(S)-diacholest-13(17)-ene (28398-70-1,28398-71-2,72778-32-6,82079-08-1,117019-69-9,117019-70-2)

Guidance literature:

With trifluoromethylsulfonic anhydride; In dichloromethane; at 0 ℃; for 0.166667h;

DOI:10.1016/S0040-4020(01)96368-9

Reference yield: 85.0%

dimethyl t-butyl silyloxy-3β cholestane (59487-26-2) → 5β-cholest-2-ene (13901-19-4) + 20(R)-diacholest-13(17)-ene (28398-70-1,28398-71-2,72778-32-6,82079-08-1,117019-69-9,117019-70-2) + 20(S)-diacholest-13(17)-ene (28398-70-1,28398-71-2,72778-32-6,82079-08-1,117019-69-9,117019-70-2)

Guidance literature:

With trifluoromethylsulfonic anhydride; In dichloromethane; at 0 ℃; for 0.166667h;

DOI:10.1016/S0040-4020(01)96368-9

Reference yield: 80.0%

3-Chloromethyl-benzoic acid (3S,5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester (99598-01-3) → 5β-cholest-2-ene (13901-19-4) + 20(R)-diacholest-13(17)-ene (28398-70-1,28398-71-2,72778-32-6,82079-08-1,117019-69-9,117019-70-2) + 20(S)-diacholest-13(17)-ene (28398-70-1,28398-71-2,72778-32-6,82079-08-1,117019-69-9,117019-70-2)

Guidance literature:

With silver hexafluoroantimonate; In dichloromethane; at 20 ℃; for 0.166667h;

DOI:10.1016/S0040-4020(01)96368-9

upstream raw materials:

dimethyl t-butyl silyloxy-3β cholestane

3-Chloromethyl-benzoic acid (3S,5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester

Cholestanol

cholest-5-ene

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